ISO IEC 9541-4 pdf download Information technology — Font information interchange — Part 4: Harmonization to Open Font Format 4.1.15 “fontDirectionHint” element This element is used to define ISO/IEC 9541-1 NOMWRMODE. 4.1.16 “indexLocFormat” element ISO/IEC 9541-1, ISO/IEC 9541-2 and ISO/IEC 9541-3 have no predefined property to interchange this value which describes the concrete file structure. 4.1.17 “glyphDataFormat” element ISO/IEC 9541-1,...